Three Dimension Refractive Index Characterization for Photonic Waveguides

The nondestructive volumetric imaging technique to characterize a three-dimensional (3D) refractive index (RI) profile quantitatively is an essential tool for designing, fabricating, and evaluating…

Prototype of DSP-Free IM/DD MDM Transceiver for Datacenter Interconnection

New transmission techniques for short-reach optical transmission applications especially datacenter interconnections are highly expected to break current bandwidth bottleneck, among which mode divi…

Analysis and Measurement of Intra-LP-Mode Dispersion for Weakly-Coupled FMF

Weakly-coupled mode division multiplexing (MDM) technique based on linearly-polarized (LP) modes in ultralow-modal-crosstalk few-mode fibers (FMF) has been considered as a promising candidate for c…

Few-Mode Gain-Flattering Filter Using LPFG in Weakly-Coupled Double-Cladding FMF

Wide-Coverage Beam-Steered 40-Gbit/s Non-Line-of-Sight Optical Wireless Conne…

Weakly-Coupled MDM-WDM Amplification and Transmission Based on Compact FM-EDFA

Recently optical amplification technologies for mode-division multiplexing (MDM) transmission systems and networks have attracted great interest. In this article, we first propose a compact structu…

A Degenerate-Mode-Selective Coupler for Stable DSP-free MDM Transmission

Weakly-coupled mode division multiplexing (MDM) has been intensively investigated in recent years. In order to be compatible with conventional intensity modulation and direct detection systems, eff…

Layered OXC With Intermode Switching Bridge for Optical SDM-WDM Networks

Survivable, Virtual Network Design and Embedding to Survive a Facility Node F…